Naslov
Phosphorus impacts on grain yield and quality of malting barley

Autori
Kovačević, Vlado ; Kovačević, Josip ; Lalić, Alojzije ; Banaj, Djuro ; Kadar, Imre

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
V.Novenytermesztesi Tudomanyos Nap Novenyteresztes: Gazdalkodas-Klimavaltozas- Tarsadalom (5th Crop Production Science Day Crop Production - Farming - Climate Change - Society) / Hoffmann Sandor - Budimpešta : Akadémiai Kiadó, 2009, 249-252

ISBN
978 963 05 8804 1

Skup
V.Novenytermesztesi Tudomanyos Nap Novenyteresztes: Gazdalkodas-Klimavaltozas- Tarsadalom (5th Crop Production Science Day Crop Production - Farming - Climate Change - Society)

Mjesto i datum
Keszthely, Mađarska, 19.11.2009

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Domaća recenzija

Ključne riječi
barley ; grain quality ; grain yield ; phosphorus fertilization

Sažetak
The field experiment with ameliorative rates of phosphorus (P) fertilization was conducted (April 25, 2002) on the hydromorphic soil low in P (pH in KCl = 4.26 ; AL-available P = 6.80 mg P2O5100g-1) Brod-Posavina County (four replicates, basic plot 147 m2). Monoammonium phosphate (MAP: 12% N + 52% P2O5) was used on ordinary fertilization (0, 500, 1000 and 2000 kg P2O5 ha-1, for a, b, c and d respectively). Calcium ammonium nitrate (CAN: 27% N) was used for equalization of different levels of nitrogen added by MAP. For next growing seasons (maize: 2003-2004 ; barley 2005) only ordinary fertilization was applied. Winter barley cultivar Rex developed at Agricultural Institute in Osijek was sown at the end of October 2004 (fertilization: 130 N + 125 P2O5 + 84 K2O kg ha-1). Residual influences of ameliorative P fertilization were significant but low because yields were increased only up to 10%. Acid reaction and reduction of plant density (probably because of excess of precipitation in December: Slav Brod = 116 mm) could be main responsible factors of low barley yields (t ha-1 = 3.02, 3.13, 3, 18 and 3.33, for a, b, c and d, respectively). In general, hectoliter mass (mean 71.65 kg), 1000-grain weight (mean 48.75 g), starch (mean 63.01) and protein (mean 11.9 %) contents in grain were independent on applied fertilization. Also, differences of mineral composition of barley grain were in a range of statistical error, but there was an inclination to decreasing of total Zn and Mo due to increasing of P application (mg kg-1: 46.7 Zn and 41.1 Zn ; 0.23 Mo and 0.18 Mo, for a and d, respectively).

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)

POVEZANOST RADA